Deadra568 Deadra568
  • 21-05-2014
  • Biology
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What element has 81 protons in the nuclei of its atoms?

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alishahobbsx alishahobbsx
  • 21-05-2014
Tl = thallium

look at the periodic table look for element number 81 on the periodic table and that's TI

It's mass number is 204.38
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